Email Formats

{
  "mx": [
    "10 quarto-com.p10.mxthunder.com.",
    "40 quarto-com.p40.mxthunder.net.",
    "30 quarto-com.p30.mxthunder.net.",
    "20 quarto-com.p20.mxthunder.net."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com include:email.prnewswire.com include:spf.metacomet.com include:spf.constantcontact.com include:spf.mxthunder.com -all"
  ]
}